<p>
    Obtains a contextual object as in <code>StepContext.get</code>; cf. <code>withContext</code>.
    Takes a single <code>type</code> argument. Example:
</p>
<pre><code>getContext hudson.FilePath</code></pre>
<p>
    For use from trusted code, such as global libraries, which can manipulate internal Jenkins APIs.
</p>
